Mitsubishi 4DQ5 Service Manual Page 39
- Page / 120
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
Flywheel
(1) Check the flywheel for scoring or a sign
of
over-
heating
of
the friction surface, cracks, or any
other damage. When any
of
these damages are
presented, repair or replace the flywheel.
(2) Check the friction surface for warpage and/or
face
run out. When warpage or face runout exceeds the
repair limit, repair or replace the flywheel. The
face
runout may be measured by means
of
a dial
gauge
with the flywheel installed on the crank-
shaft.
Specifications
Unit:
mm
(in.)
Item Standard
Repair limit
Warpage
0.15 (0.0059), max.
0.5 (0.020)
Face runout 0.15(0.0059), max.
0.5 (0.020)
(3) Check the flywheel attaching bolt threads for
condition and replace a damaged bolt,
if
any.
(4) Check the ring gear for condition and replace it
if
damaged.
(5) Clean the pilot bushing which
is
fitted into the
center bore in the flywheel, and check it for
condition. Replace the bushing
if
damaged.
Timing gear case and oil seal
(l)
Check the timing gear case for any signs
of
cracks:
also check the dowel pin holes for condition.
(2)
Check the
llil
seal
for wear, and replace it
if
it
is
excessively worn or otherwise defective, Check
it
more carefully if oil leakage from the crankshaft
end
is
excessive,
~
35
~
",:e"
I t J Ifi
Checking flywheel friction surface for warpage
Checking flywheel friction surface for face runout
- SERVICE 1
- 1. Major 5
- GENERAL 5
- 1-2 Right-hand side view 6
- Longitudinal sectional view 7
- Transverse sectional view 8
- "til 9
- '1:l 10
- '0 10
- ~ 13500 11
- DISASSEMBLY 12
- (1) and disconnect injection 13
- (3) by loosening union 13
- (1) and remove 13
- (1) and oil ring (2) 17
- (b) Remove 18
- (f) Remove thermostat (5) 18
- Ii nder head 19
- (0.0020) 20
- Valve guides 21
- 'Valve springs 23
- Removing ridge 24
- 1.0. Remarks 25
- Pistons and piston rings 26
- (4) Piston 27
- (7) Piston pin bosses 28
- "c" and 29
- "c" 29
- ~rankpin 30
- (1) Journals 32
- 5393To.00059) 34
- (0.0012 36
- (0.00787) 36
- Camshaft 36
- W' 37
- +0.10 (hole) 38
- ",:e" 39
- (0.0020 40
- REASSEMBLY 41
- 1-Compression rings 42
- Driving 43
- Precombustion-chamber side 44
- (1) and two woodruff keys 45
- (1) with 47
- 48
- (lb-ft) 49
- CYLINDER 50
- ASSEMBLY 50
- (1) into the tappets 51
- I----------=~ 53
- -~-==II 53
- J.00059 54
- (NOTES] 55
- COOLING SYSTEM 56
- ± 2°C (169.7 ± 3.6°F) 56
- (1) Remove pump cover (2) 57
- Reassembly 59
- (1) and install 59
- Fuel circuit 60
- Priming the fuel system 61
- (1) Bringing 62
- (1) Filter 63
- ®--_" 64
- Leak-off pipe packing 65
- 01 this 66
- (3) Seating tightness 67
- 6. Fuel feed pump 68
- Priming 70
- 600 injection-pump rpm 71
- 1.S kg/cm 71
- Tabulated data 73
- (IT) mounted on control 74
- 1. General 75
- Starter 76
- ± 0.3 V 78
- _..JI~'--_Fuse 79
- Dz permits the 80
- (1), and remove starter 81
- 7. Inspection and adjustment 85
- Ammeter 87
- -"' 88
- Alternator 89
- (1) Starting the engine 91
- (f) Fuel injection 91
- (1) Test condition 91
- 760 - 11.4 92
- -fJiGQ' 93
- ( 1.73) 95
- ± 2.21) 95
- I Warpage on 96
- @' 99
- 'U 100
- ""' 101
- "" 102
- (0.130~0.154) 103
- I Replace 104
- '" 105
- SEALANT APPLICATION DATA 106
- Important bolts and nuts 107
- General bolts and 108
- "t 109
- ~"~i 110
- 2·lnstaller 111
- 3-Cran kease 111
- 1-Rod 3-Camshaft bushing 112
- 2-Adaptor 112
- TROUBLESHOOTING 114
- .::;;"' 115
- - - - 0 116
- 0 - - 116
- - 0 - - 116
- -" 117
- '85 120
- Printed in Japan 120
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